O Ring Cross Section Calculator

The o ring must be compressed by a predetermined amount and this compression determines the o ring cross section diameter.

O ring cross section calculator.

Info o ring compression. Info chemical volume swell cross section diameter mm calculate results reset calculator generate printable document results. Corporate headquarters clarence ny 716 759 3344. Recommendations are based on available technical information and are offered as suggestions only any reliance placed on such information by the user is strictly at the user s risk.

We have included static dynamic and pneumatic applications. By simply entering installation specifications for an application it recommends o ring sizes housing layout and corresponding part numbers. Select a size to buy standard and custom o rings from the world s largest inventory network or custom orders can be made within a few weeks typically without tooling fees. Metric o ring groove dimensions are listed for the most common metric cross sections with and without backup rings.

The o ring calculator tool is intended to form the basis of an o ring installation and assist with selection of o ring and hardware dimensions. The o ring may be used in static applications or in dynamic applications where there is relative motion between. By selecting it to be slightly less than the groove s inner diameter the o ring will stretch and hug the groove. This calculator allows you to find the recommended o ring inner diameter and range of cross section diameters that will fit a given gland size and tolerance range in a radial seal.

Search for eriks standard o rings and load them also into your created design. O ring metric groove design pdf seal design company info. Manufacturers of encapsulated o rings and industrial gaskets. This tool is optimized for desktop devices.

You need to be registered and logged in to see the o ring calculation software. An o ring also known as a packing or a toric joint is a mechanical gasket in the shape of a torus. Inputs bore diameter b d. Info results at installation min.

Login or register here to start the o ring calculator. For example if your o ring s cross sectional diameter is 1 25 inches and its gland depth is 1 20 inches subtract 1 20 from 1 25 to determine that the o ring is able to squeeze out a total of 05 inches. It is a loop of elastomer with a round cross section designed to be seated in a groove and compressed during assembly between two or more parts creating a seal at the interface. The o ring inner diameter is typically chosen to be close to the groove s inner diameter.